Is “Adagios” a Scrabble word?
Yes
ADAGIOS
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Adagios
noun
1.A tempo mark directing that a passage is to be played rather slowly, leisurely and gracefully.
2.A passage having this mark.
3.A male-female duet or mixed trio ballet displaying demanding balance, spins and/or lifts.